the use of one hand in preference to the other. Compare handedness.
the dominance or superior development of one side of the body or brain.

1640–50; lateral + -ity Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
laterality (ˌlætəˈrælɪtɪ)
psychol the difference in the mental functions controlled by the left and right cerebral hemispheres of the brain

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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American Heritage
Medical Dictionary

laterality lat·er·al·i·ty (lāt'ə-rāl'ĭ-tē)
Preferential use of limbs of one side of the body.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences for laterality
Laterality is the release of airflow at the side of the tongue.
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